{
  "entity_type": "unit_conversion_page",
  "id": "kgf-to-newtons",
  "name": "Kilograms-force to Newtons",
  "title": "Kilograms-force to Newtons Converter (kgf to N)",
  "description": "Convert kilograms-force to newtons: 1 kgf = 9.80665 N. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.",
  "quantity": "force",
  "quantity_name": "Force",
  "base_unit": "N",
  "from_unit": {
    "symbol": "kgf",
    "display": "kgf",
    "name": "kilograms-force",
    "singular": "kilogram-force"
  },
  "to_unit": {
    "symbol": "N",
    "display": "N",
    "name": "newtons",
    "singular": "newton"
  },
  "linear": true,
  "factor": 9.80665,
  "inverse_factor": 0.1019716213,
  "formula": "newtons = kilograms-force × 9.80665",
  "reverse_formula": "kilograms-force = newtons × 0.1019716213",
  "unit_relation": "1 kgf = 9.80665 N",
  "examples": [
    {
      "value": 5,
      "result": 49.0332,
      "text": "5 kgf = 49.0332 N"
    },
    {
      "value": 12.5,
      "result": 122.583,
      "text": "12.5 kgf = 122.583 N"
    },
    {
      "value": 100,
      "result": 980.665,
      "text": "100 kgf = 980.665 N"
    }
  ],
  "table": [
    {
      "kgf": 1,
      "N": 9.80665
    },
    {
      "kgf": 2,
      "N": 19.6133
    },
    {
      "kgf": 3,
      "N": 29.42
    },
    {
      "kgf": 4,
      "N": 39.2266
    },
    {
      "kgf": 5,
      "N": 49.0332
    },
    {
      "kgf": 6,
      "N": 58.8399
    },
    {
      "kgf": 7,
      "N": 68.6465
    },
    {
      "kgf": 8,
      "N": 78.4532
    },
    {
      "kgf": 9,
      "N": 88.2599
    },
    {
      "kgf": 10,
      "N": 98.0665
    },
    {
      "kgf": 15,
      "N": 147.1
    },
    {
      "kgf": 20,
      "N": 196.133
    },
    {
      "kgf": 25,
      "N": 245.166
    },
    {
      "kgf": 30,
      "N": 294.2
    },
    {
      "kgf": 40,
      "N": 392.266
    },
    {
      "kgf": 50,
      "N": 490.332
    },
    {
      "kgf": 75,
      "N": 735.499
    },
    {
      "kgf": 100,
      "N": 980.665
    },
    {
      "kgf": 200,
      "N": 1961.33
    },
    {
      "kgf": 250,
      "N": 2451.66
    },
    {
      "kgf": 500,
      "N": 4903.32
    },
    {
      "kgf": 1000,
      "N": 9806.65
    }
  ],
  "faq": [
    {
      "q": "How many newtons are in one kilogram-force?",
      "a": "1 kgf = 9.80665 N. The factor comes from the SI definitions of both units (NIST SP 811 / BIPM), so it is exact or correct to at least 10 significant figures."
    },
    {
      "q": "What is the formula to convert kilograms-force to newtons?",
      "a": "Multiply the value in kilograms-force by 9.80665: newtons = kilograms-force × 9.80665. For example, 5 kgf = 49.0332 N."
    },
    {
      "q": "How do I convert newtons back to kilograms-force?",
      "a": "Multiply by the inverse factor 0.1019716213 (kilograms-force = newtons × 0.1019716213), or use the newtons-to-kilograms-force page."
    }
  ],
  "sources": [
    {
      "name": "NIST Special Publication 811 – Guide for the Use of the International System of Units (SI), Appendix B conversion factors",
      "url": "https://www.nist.gov/pml/special-publication-811",
      "type": "standard",
      "retrieved_at": "2026-09-24"
    },
    {
      "name": "BIPM – The International System of Units (SI Brochure, 9th edition)",
      "url": "https://www.bipm.org/en/publications/si-brochure",
      "type": "standard",
      "retrieved_at": "2026-09-24"
    },
    {
      "name": "Wikipedia – Conversion of units",
      "url": "https://en.wikipedia.org/wiki/Conversion_of_units",
      "type": "reference",
      "retrieved_at": "2026-09-24"
    }
  ],
  "freshness": {
    "type": "static",
    "max_age_seconds": null,
    "note": "Fixed conversion factors (NIST/BIPM definitions); results never go stale."
  },
  "api": {
    "convert": "https://tttkmbb.com/api/v1/convert?value=5&from_unit=kgf&to_unit=N",
    "calculator": "https://tttkmbb.com/api/v1/calculate/force?value=5&from_unit=kgf&to_unit=N",
    "mcp_tool": "convert_units",
    "mcp_arguments": {
      "value": 5,
      "from_unit": "kgf",
      "to_unit": "N"
    }
  },
  "links": {
    "html": "https://tttkmbb.com/conversion/kgf-to-newtons",
    "markdown": "https://tttkmbb.com/conversion/kgf-to-newtons.md",
    "json": "https://tttkmbb.com/conversion/kgf-to-newtons.json",
    "reverse": "https://tttkmbb.com/conversion/newtons-to-kgf",
    "quantity_converter": "https://tttkmbb.com/conversion/force",
    "units": "https://tttkmbb.com/api/v1/units?quantity=force"
  },
  "timestamp": "2026-09-24"
}